Wrench



FIG. 1 is perspective view of the front, top, and one side of the wrench showing my new design;

FIG. 2 is a perspective view of the rear, bottom, and opposite side of the wrench shown in FIG. 1; and

FIG. 3 is a reduced top plan view thereof.

The handle is shown broken away in FIG. 1 for ease of illustration only. 

The ornamental design for a wrench, as shown and described. 